./lua-posix-5.1.28-8f80582.tar.gz already exists, skipping download
Getting https://github.com/luaposix/luaposix/archive/8f8058293efd9654e5fc7f7627a04f4db2b56f8f/lua-posix-5.1.28-8f80582.tar.gz to ./lua-posix-5.1.28-8f80582.tar.gz